@CHARSET "UTF-8";



.welcome .span4 {
	text-align: center;
}

.welcome .span4  > .ui.circular.segment {
	width: 200px;
	height: 200px;
	display: inline-block;
	margin: 0 auto;
	padding-top: 75px;
}

.section2 p { display: none;}
.section3 .features { position: relative; bottom: -120%;}
.section4 p { display: none;}



.overview{
	text-align: center;
	margin-top: -15px;
}

.overview .initials {
	font-family: Helvetica-Light;
	font-size: 100px;
	color: #FFFFFF;
	line-height: 120px;
	margin-bottom: 20px;
}
.overview .en_initials{
	font-family: Helvetica-Light;
	font-size: 40px;
	color: #FFFFFF;
	line-height: 48px;
	letter-spacing: 1px;
	margin-bottom: 10px;

}
.overview .zh_initials{
	font-family: STHeitiSC-Light;
	font-size: 36px;
	color: #FFFFFF;
	line-height: 37px;
	/* 开放 分享 自由: */	
	
}

.login{
	text-align: left;
	margin-left: 100px;
	margin-right: 60px;
}
.login .login_header{
	font-family: STHeitiSC-Light;
	font-size: 48px;
	color: #FFFFFF;
	line-height: 49px;
	margin-bottom: 20px;
}
.ui.form input[type="text"],
.ui.form input[type="password"] {
    border: none;
    border-radius: 2px;
    background: #FFF;
    height: 45px;
    width: 280px;
    color: #9B9B9B;
    font-size: 20px;
    padding-left: 10px;
}

#error{
	margin-right: 20px;
	opacity: 0.8;
	font-size: 14px;
}
#error ul{
	margin: 0;
}
.hidden{
	display: none;
}
.login input{
	border: none;
	border-radius: 2px;
	background: #FFF;
	height: 45px;
	width: 280px;
	margin-bottom: 10px;
	color:#9B9B9B;
	font-size: 20px;
	padding-left: 10px;
}
.login .login_btn{
	margin-top: 10px;
	margin-right: 7.8%;
	border: none;
	border-radius: 2px;
	background: #21ba45;
	width: 42%;
	height: 40px;	
	font-size: 20px;
	color:white;
	text-decoration: none;
	cursor: pointer;
}
.login .register_btn {
	margin-top: 10px;
	border: 1px solid;
	border-radius: 2px;
	background: transparent;
	width: 42%;
	height: 40px;	
	font-size: 20px;
	color:white;
	opacity: 0.6;
	text-decoration: none;
	cursor: pointer;
}

.login .login_btn:hover {
    background-color: #16ab39;
    transition: 0.5s;
}

.login .register_btn:hover{
	opacity:1;
	transition: 0.5s;
}

.login .forget_pwd{
	float: right;
	margin-top: 20px;
	margin-right: 20px;
	color:white;
	font-size: 15px;
}
.login .forget_pwd a{
	text-decoration: none;
	cursor: pointer;
	color: white;
}
.section1 .container {
	margin-top: -80px;
}
.pulldown_tip{
	text-align: center;
}
.pulldown_tip img{
	width:  40px;
	position: absolute;
	bottom: 20px;
}
.nav{
	width: 100%;
	position: fixed;
	z-index: 100;
}

.navbar {
	height: 60px;
	padding: 0;
	margin: 0;
	background: none;
}
.navbar a{
	text-decoration: none;
}
.navbar .github{
	position: absolute;
	top: 20px;
	right: 100px;
	color: white;
	font-size: 42px;
}

.navbar .logo{
	position: absolute;
	top: 20px;
	left:100px;
}
.navbar .logo span{
	vertical-align: middle;
    margin-left: 20px;
    color: white;
    font-size: 24px;	
}

.navbar .logo a{
	color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.5s;
}
.navbar .logo a:hover{
	opacity: 1;
}	

.navbar .logo > img{
	width: 32px;
	height: 42px;
}

.section .center{
	text-align: center;
}

.section .header{
	font-family: Helvetica-Light;
	font-size: 56px;
	color: #000000;
	line-height: 67px;
	
}
.section .content{
	margin-top: 20px;
	font-family: STHeitiSC-Light;
	font-size: 30px;
	color: #9B9B9B;
}
.section .content p{
	margin: 0;
	padding: 0;
	line-height: 50px;
}

.section2 .gallery{
	margin: 0 auto;
	margin-top: 40px;
	width: 98%;
	height: 500px;
	overflow: hidden;
}
.section2 .gallery .box{
	display: inline;
}
.gallery .box{
	position: relative;
	display: inline;
	float: left;
	margin-bottom: 5px;
	overflow: hidden;
}
.gallery .box .meta{
	position: absolute;
	bottom: 0px;
	left: 0px;
	width: 100%;
	height: 45px;
	background: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.6) 100%);
}
.gallery .meta a{
	padding: 10px;
}
.gallery .meta span{
	color: white;	
}


.tags {
	text-align: center;
	margin-top: 50px;
	margin-bottom: 30px;
}
.tags .tagbox{
	position: relative;
	display: inline-block;
	height: 180px;
	width: 180px;
	overflow: hidden;
}
.tags .tagbox .desc{
	position: absolute;
	left: 10px;
	bottom: 10px;
	font-size: 18px;
	color: white;
}


/* clearfix */
.gallery:before,
.gallery:after {
    content: "";
    display: table;
}
.galleryafter {
    clear: both;
}

.box {
  float: left;
  margin-bottom: 10px; 
}
.box img {
  max-width: 100%;
  max-height: 100%;
  vertical-align: bottom;
}
.first-item {
  clear: both;
}
/* remove margin bottom on last row */
.last-row, .last-row ~ .item {
  margin-bottom: 0;
}


.features.row1{
	margin: 0 auto;
	margin-top: 40px;
	width: 60%;
}
.features.row2{
	margin: 0 auto;
	width: 40%;
}

.features.row1 .feature{
	display: inline-table;
	width: 32%;
	margin: 0;
	padding: 0;
}

.features.row2 .feature{
	display: inline-table;
	width: 49%;
	margin: 0;
	padding: 0;
}

.features .circle{
	display: table;
	margin: 0 auto;
	background-color: white;
	height: 150px;
	width:150px;
	border-radius: 150px;
}
.features .circle i.big{
	display: table-cell;
	font-size: 40px;
}

.features .header{
	margin-top:10px;
	margin-bottom: 10px;
	text-align: center;
	font-family: STHeitiSC-Medium;
	font-size: 24px;
	color: #555555;
	line-height: 25px;
}

.features .desc{
	margin-top:10px;
	margin-bottom: 10px;
	text-align: center;
	font-family: STHeitiSC-Light;
	font-size: 16px;
	color: #555555;
	line-height: 25px;

}

.footbar{
	position: absolute;
	bottom: 0px;
	height: 120px;
	width: 100%;
	background-color: white;
}

.section4 .header{
	color:white;
}

.section4 .login_btn{
	  height: 50px;
	  text-align: center;
	  padding: 12px;
	  font-size: 20px;
	  color: white;
	  border-radius: 3px;	
	  border: none;
	  background: #21ba45;
	  text-decoration: none;
	  cursor: pointer;
}

.section4 .login_btn:hover {
    background-color: #16ab39;
    transition: 0.5s;
}

.section4 .register_btn{
	  height: 50px;
	  text-align: center;
	  padding: 12px;
	  font-size: 20px;
	  border-radius: 3px;	
	  border: 1px solid;
	  background: transparent;
	  color:white;
	  opacity: 0.6;
	  text-decoration: none;
	  cursor: pointer;
}
.section4 .register_btn:hover{
	opacity: 1;
	transition: 0.5s;
}
.section4 .row:FIRST-CHILD {
	margin-bottom: 50px;
}

